#658BEB is a mid-toned, cool violet. On the Color Lab it reads clean and engineered. It carries a legible label as a UI accent and sits well as a supporting tone.
Not just a swatch — here's how #658BEB works with other colors. Named schemes with #658BEB in its natural role, and a note on why the supporting colors balance it.
Cornflower Blue opens this coastal palette with sea-glass and warm sand alongside it, grounded by driftwood grey and a deep-navy anchor.
Cornflower Blue keeps this Nordic scheme quiet — cool greys and a soft white around it, a muted-blue support and a charcoal anchor.
Cornflower Blue is the vivid signal in this product UI — on a near-black surface with cool white, a slate grey and a lighter tint of Cornflower Blue.
Cornflower Blue is the single accent in this high-contrast editorial system — set on near-white paper against near-black ink, with a warm grey and a desaturated tint of Cornflower Blue carrying the quiet middle.
Cornflower Blue anchors this café scheme as the warm mid-tone, lifted by latte cream and a muted sage accent and grounded by espresso brown and a warm charcoal.
How #658BEB actually behaves in design work — read from its OKLCH lightness, chroma and hue, not just its raw numbers. Ten signals to help you decide where this color earns its place.
Not a swatch to memorise — a color to build with. Here is #658BEB at work across the surfaces designers actually ship.
:root {
--color-base: #658BEB;
--color-base-rgb: 101 139 235;
--color-base-oklch: oklch(65.3% 0.150 266.1);
--color-50: #F1F5FE;
--color-100: #DAE3FB;
--color-200: #B7C9F5;
--color-300: #86A2E9;
--color-400: #597DD9;
--color-500: #375DBE;
--color-600: #314C91;
--color-700: #283A66;
--color-800: #1E2843;
--color-900: #141A29;
--color-on-base: #141310;
}
// tailwind.config.js
colors: {
cornflower-blue: {
50: '#F1F5FE',
100: '#DAE3FB',
200: '#B7C9F5',
300: '#86A2E9',
400: '#597DD9',
500: '#375DBE',
600: '#314C91',
700: '#283A66',
800: '#1E2843',
900: '#141A29',
},
}
$base: #658BEB; $base-ink: #141310; $base-50: #F1F5FE; $base-100: #DAE3FB; $base-200: #B7C9F5; $base-300: #86A2E9; $base-400: #597DD9; $base-500: #375DBE; $base-600: #314C91; $base-700: #283A66; $base-800: #1E2843; $base-900: #141A29; $base-hover: #2A5EE3; $base-subtle: #D6DEF4;
{
"color": {
"base": {
"value": "#658BEB",
"type": "color"
},
"onBase": {
"value": "#141310",
"type": "color"
},
"scale": {
"50": {
"value": "#F1F5FE",
"type": "color"
},
"100": {
"value": "#DAE3FB",
"type": "color"
},
"200": {
"value": "#B7C9F5",
"type": "color"
},
"300": {
"value": "#86A2E9",
"type": "color"
},
"400": {
"value": "#597DD9",
"type": "color"
},
"500": {
"value": "#375DBE",
"type": "color"
},
"600": {
"value": "#314C91",
"type": "color"
},
"700": {
"value": "#283A66",
"type": "color"
},
"800": {
"value": "#1E2843",
"type": "color"
},
"900": {
"value": "#141A29",
"type": "color"
}
}
}
}